Tyre inflation pressure monitor



FIG. 1 is a side elevational view of a surface pattern for a tyre side wall showing my new design; and,

FIG. 2 is a fragmentary magnified view of the tyre inflation pressure monitor of FIG. 1, presented to clearly depict the elements of my new design.

The broken lines showing a tire are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for tyre inflation pressure monitor, as shown. 